DS1307 TIMERCLOCK IC

DS1307 Serial Real-Time Clock (RTC) IC DIP-8 is a low-power, full-featured clock/calendar IC that tracks seconds, minutes, hours, day, date, month, and year. It supports 24-hour or 12-hour formats with an AM/PM indicator. The DS1307 communicates via an I2C interface and includes 56 bytes of non-volatile RAM for data storage, making it a reliable choice for timekeeping in microcontroller-based projects.

Key Features of DS1307 Serial Real-Time Clock IC:

• • Real-Time Clock: Provides timekeeping functions including seconds, minutes, hours, day, date, month, and year.
  • I2C Interface: Simplifies communication with microcontrollers.
  • Non-Volatile RAM: Includes 56 bytes of NV RAM for user data storage.
  • Automatic Leap Year Adjustment: Handles leap years up to 2100.
  • Battery Backup: Maintains timekeeping during power outages.
  • Low Power Consumption: Operates on minimal current during backup mode.

Technical Specifications of DS1307 RTC IC:

• • Operating Voltage: 4.5V to 5.5V
  • Backup Battery Voltage: 2.0V to 3.5V
  • Interface: I2C (2-wire interface)
  • RAM: 56 bytes of non-volatile user memory
  • Clock Accuracy: ±2ppm from 0°C to +40°C
  • Operating Temperature: -40°C to +85°C
  • Package: DIP-8

Mechanical Specifications of DS1307 RTC IC:

• • Package: DIP-8 (Dual Inline Package with 8 pins)
  • Pin Pitch: 2.54mm (standard)
  • Dimensions: Approximately 9.81mm x 6.48mm
  • Weight: Approximately 1 gram

Schematic Diagram, Connection, Wiring, and Pinout of DS1307 RTC IC:

• • Schematic Diagram: Connects the DS1307 IC with a crystal oscillator, pull-up resistors on SDA and SCL lines, and a coin-cell battery for backup power.
  • Connection Steps:
    • 1. Connect VCC to a 5V power supply.
    • 2. Connect GND to ground.
    • 3. Connect SDA and SCL to the microcontroller’s I2C pins.
    • 4. Attach a 32.768kHz crystal to the X1 and X2 pins for clock generation.
    • 5. Connect a 3V coin cell battery to the VBAT pin for backup power.
  • Pinout:
    • 1 – X1: Crystal oscillator input
    • 2 – X2: Crystal oscillator output
    • 3 – VBAT: Battery backup input
    • 4 – GND: Ground
    • 5 – SDA: I2C data line
    • 6 – SCL: I2C clock line
    • 7 – NC: No connection
    • 8 – VCC: Power supply input

Applications of DS1307 RTC IC:

• • Timekeeping in Embedded Systems: Used in microcontroller-based projects for accurate timekeeping.
  • Data Logging: Timestamp for logged data in IoT and monitoring systems.
  • Alarm Clocks: Ideal for alarm or timer-based applications.
  • Industrial Automation: Used for scheduling tasks in automation systems.
  • DIY Electronics: Perfect for custom electronics projects requiring timekeeping.

Equivalent Models of DS1307 RTC IC:

• • DS3231: A higher-precision RTC with built-in temperature compensation.
  • PCF8563: A low-power RTC with I2C interface.

Datasheet:

• • Download DS1307 Datasheet

Keywords for DS1307 RTC IC:

• • DS1307
  • Real-Time Clock
  • RTC IC
  • I2C RTC
  • Timekeeping IC

Package Includes:

• • 1 x DS1307 Serial Real-Time Clock IC (DIP-8)